Noun
German astronomer who first stated laws of planetary motion (1571-1630)
Source: WordNetThe Perspectiva is a clear and concise summary of the science of light at the time... a popular text on optics until the seventeenth century... used and cited by many medieval and Renaissance scholars, including Leonardo da Vinci and Johannes Kepler. John Peckham
By his position as Brahe's assistant, Johannes Kepler was first exposed to and seriously interacted with the topic of planetary motion. Source: Internet
A statue of Johannes Kepler in Linz, where he taught mathematics. Source: Internet
Early models were large, comprising either a whole darkened room or a tent (as employed by Johannes Kepler ). Source: Internet
Exactly 400 years ago, the pioneering astronomer Johannes Kepler put his work on hold, locked up his books and instruments in boxes, and took up a pressing matter — the defence of his mother, on trial for witchcraft. Source: Internet
It was studied by astronomer Johannes Kepler and his contemporaries. Source: Internet